diff options
| -rw-r--r-- | drivers/staging/dream/synaptics_i2c_rmi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/dream/synaptics_i2c_rmi.c b/drivers/staging/dream/synaptics_i2c_rmi.c index ae696d3bc8e6..4de6bc917595 100644 --- a/drivers/staging/dream/synaptics_i2c_rmi.c +++ b/drivers/staging/dream/synaptics_i2c_rmi.c @@ -379,6 +379,12 @@ static int __devinit synaptics_ts_probe( goto err_check_functionality_failed; } + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA)) { + pr_err("synaptics_ts_probe: need I2C_FUNC_SMBUS_WORD_DATA\n"); + ret = -ENODEV; + goto err_check_functionality_failed; + } + ts = kzalloc(sizeof(*ts), GFP_KERNEL); if (ts == NULL) { ret = -ENOMEM; |